Seattle

$100+ Cheap flights from Dallas/Fort Worth (DFW) to Seattle (SEA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — SEA
Aug 2 — Aug 91
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dallas/Fort Worth to Seattle with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Dallas/Fort Worth to Seattle/Tacoma Intl are usually found in January or October, booked 47 days in advance, depart on a Friday or Wednesday and return on a Friday

Cheap flight deals from Dallas/Fort Worth to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Dallas/Fort Worth (DFW) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 28, 2025.

Round-trip from

$178
(Kiwi.com)

One-way from

$100
(Trip.com)

Popular in

July

Cheapest in

January

Average price

$342

Good round-trip deal

$251 or less

Good one-way deal

$168 or less
From Dallas/Fort Worth to Seattle/Tacoma Intl
One-way flight from Dallas/Fort Worth to Seattle/Tacoma Intl
Highest demand for flights based on searches. 14% potential increase in price ($44 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Average for round-trip flights in July 2025
Price to beat on a round-trip flight from Dallas/Fort Worth to Seattle/Tacoma Intl.
Price to beat on a one-way flight from Dallas/Fort Worth to Seattle/Tacoma Intl.

Find flight deals from Dallas/Fort Worth to Seattle

Cheapest flights from Dallas/Fort Worth to Seattle
Explore the most affordable flight options available from Dallas/Fort Worth to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2025.

This Kiwi.com deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/316:15 amDFW - SEA
Nonstop4h 17mHawaiian Airlines
Sat 9/66:00 amSEA - DFW
Nonstop4h 02mHawaiian Airlines
Deal found 7/27$178
This Cheapflightsfares deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/106:00 amDFW - SEA
Nonstop4h 29mFrontier
Mon 10/139:24 amSEA - DFW
Nonstop4h 08mFrontier
Deal found 7/27$182
This Kiwi.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1211:46 amDFW - SEA
1 stop6h 39mMultiple Airlines
Fri 8/159:29 amSEA - DFW
Nonstop3h 51mMultiple Airlines
Deal found 7/25$190
This Alaska Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/316:15 amDFW - SEA
Nonstop4h 17mAlaska Airlines
Sat 9/135:56 pmSEA - DFW
Nonstop4h 03mAlaska Airlines
Deal found 7/28$199
This American Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3112:25 pmDFW - SEA
Nonstop4h 28mAmerican Airlines
Sat 9/65:43 pmSEA - DFW
Nonstop3h 58mAmerican Airlines
Deal found 7/27$200
This Delta deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/197:13 amDFW - SEA
Nonstop4h 22mDelta
Sat 8/305:50 pmSEA - DFW
Nonstop3h 54mDelta
Deal found 7/27$209
This Mytrip deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/611:46 amDFW - SEA
1 stop6h 39mSpirit Airlines
Mon 8/115:30 pmSEA - DFW
1 stop15h 08mSpirit Airlines
Deal found 7/26$222

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dallas/Fort Worth to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 28, 2025.
Use the filters below to find and compare flights from Dallas/Fort Worth Airport to Seattle that are best for you.

Fly from

Dallas/Fort Worth

Fly to

Seattle

Route

Depart

Return

Price

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Sun 8/31

6:15 am-8:32 am

Nonstop4h 17m

Seattle/Tacoma Intl

Sat 9/6

6:00 am-12:02 pm

Nonstop4h 02m

$178

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Fri 10/10

6:00 am-8:29 am

Nonstop4h 29m

Seattle/Tacoma Intl

Mon 10/13

9:24 am-3:32 pm

Nonstop4h 08m

$182

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Tue 8/12

11:46 am-4:25 pm

1 stop6h 39m

Seattle/Tacoma Intl

Fri 8/15

9:29 am-3:20 pm

Nonstop3h 51m

$190

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Sun 8/31

9:15 am-11:34 am

Nonstop4h 19m

Seattle/Tacoma Intl

Tue 9/9

5:56 pm-11:59 pm

Nonstop4h 03m

$199

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Sun 8/31

12:25 pm-2:53 pm

Nonstop4h 28m

Seattle/Tacoma Intl

Sat 9/6

5:43 pm-11:41 pm

Nonstop3h 58m

$200

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Tue 8/19

7:13 am-9:35 am

Nonstop4h 22m

Seattle/Tacoma Intl

Sat 8/30

5:50 pm-11:44 pm

Nonstop3h 54m

$209

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Wed 8/6

11:46 am-4:25 pm

1 stop6h 39m

Seattle/Tacoma Intl

Mon 8/11

5:30 pm-10:38 am

1 stop15h 08m

$222

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Sat 8/23

4:23 pm-10:20 pm

1 stop7h 57m

Seattle/Tacoma Intl

Sat 8/30

1:05 pm-9:59 pm

1 stop6h 54m

$249

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Mon 10/6

6:00 am-12:30 am

1 stop20h 30m

$100

DallasSeattle

DFW - SEA

DFWSEA

Dallas/Fort Worth

Mon 8/11

11:46 am-4:25 pm

1 stop6h 39m

$101

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/26

Showing 1-10 of 16 results
1
2

The best insider tips for Dallas/Fort Worth Airport to Seattle flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Dallas/Fort Worth Airport to Seattle trip
Airlines
Alaska Airlines

Alaska Airlines offers 32” legroom in Main Cabin, ideal for medium-haul comfort.


Alaska Airlines provides flat-fee Wi-Fi, perfect for staying productive on longer flights.

Frontier

Frontier's UpFront Plus seats guarantee an empty middle seat for added comfort.


Frontier offers Zone 1 boarding with a carry-on purchase, ensuring quicker boarding.

Read more about Frontierby Marisa Garcia
Airports
DFW

For a quick departure, use the Skylink Train to efficiently move between terminals at DFW. Trains run every two minutes.

Read more about DFWby Chris Dong
SEA

Take the Link light rail from SEA to downtown Seattle. It's affordable, runs every 10 minutes, and takes less than 40 minutes.

Read more about SEAby Brandon Schultz
Our travel experts
Robert Schrader

Robert Schrader

Expert on Alaska Airlines

Robert Schrader

Robert Schrader

One of the web's original travel bloggers, Robert launched his first site Leave Your Daily Hell in 2009. Since then, he's expanded into destination niche sites (one each for Japan, Thailand and Taiwan), in addition to having written for the inflight magazines of Singapore Airlines and Korean Air. Overall, he's visited nearly 100 countries, and flies business as often as possible.

Read more
Marisa Garcia

Marisa Garcia

Expert on Frontier

Marisa Garcia

Marisa Garcia

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Read more
Chris Dong

Chris Dong

Expert on DFW

Chris Dong

Chris Dong

Chris is a consumer travel reporter covering aviation, trending travel news, hotels, and loyalty programs—all for leading global publications like Travel + Leisure, The Washington Post, AFAR, and more. In addition to writing, Chris is a video host for Travel + Leisure, giving consumers an inside look at the latest in air travel.

Read more
Brandon Schultz

Brandon Schultz

Expert on SEA

Brandon Schultz

Brandon Schultz

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more

Best time to book a flight from Dallas/Fort Worth to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Dallas/Fort Worth with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Dallas/Fort Worth Airport to Seattle

How far ahead should I book a flight from Dallas/Fort Worth Airport to Seattle?

Use this chart to determine the optimal time to book a round-trip flight from Dallas/Fort Worth to Seattle. Price data was last updated on July 25, 2025.

Booking 47 days in advance of your planned departure date is, on average, the best time to get cheap flights from Dallas/Fort Worth Airport to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Dallas/Fort Worth Airport to Seattle?

Currently, January is the cheapest month in which you can book a flight from Dallas/Fort Worth Airport to Seattle (average of $238). Flying from Dallas/Fort Worth Airport to Seattle in June is currently the most expensive (average of $389). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DFW to SEA?

Find hourly flight availability from Dallas/Fort Worth to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 28, 2025.

It’s optimal to fly from Dallas/Fort Worth Airport to Seattle at noon. By choosing this option you can save up to 25% on the cost of your flight, compared to a flight in the evening.

What is the cheapest day to fly from Dallas/Fort Worth Airport to Seattle?

Use this chart to determine the cheapest time to fly round-trip from Dallas/Fort Worth to Seattle. Price data was last updated on July 27, 2025.

Travelers seeking maximum savings on their Dallas/Fort Worth Airport to Seattle flight should consider departing on Friday at noon when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Dallas/Fort Worth Airport to Seattle

Explore weekly flight availability from Dallas/Fort Worth to Seattle. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 28, 2025.

The most flights from DFW to SEA are scheduled on a Sunday (68 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (42 on average).

What’s the top layover airport for flights from Dallas/Fort Worth Airport to Seattle?

Share of 1-stop round-trip flights from Dallas/Fort Worth Airport to Seattle chosen by Cheapflights users in the past 12 months, using the same layover each way.

Denver (DEN) – chosen by Cheapflights users on 60% of 1-stop itineraries from Dallas/Fort Worth Airport to Seattle on Cheapflights.

What’s the cheapest layover airport for flights from Dallas/Fort Worth Airport to Seattle?

Average round-trip fare for 1-stop flights from Dallas/Fort Worth Airport to Seattle, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Las Vegas (LAS) is the most affordable 1-stop option, with an average round-trip price of $164.

What’s the fastest layover option from Dallas/Fort Worth Airport to Seattle?

Shortest average travel time for 1-stop one-way flights from Dallas/Fort Worth Airport to Seattle, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Las Vegas (LAS) have the shortest average one-way travel time for 1-stop routes: 4h 23m.

Which airport typically offers the quickest layover for flights from Dallas/Fort Worth Airport to Seattle?

Average layover duration for 1-stop one-way flights from Dallas/Fort Worth Airport to Seattle, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Las Vegas (LAS) offer the fastest connection on this route, with an average layover time of 2h 46m.

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated July 28, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta, and Hawaiian Airlines from Dallas/Fort Worth Airport to Seattle. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.

Food

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
8.0
Very good

Food

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.

Food

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.

Food

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.

Food

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.

Related info for your journey

Find useful and relevant information for your journey from Dallas/Fort Worth to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to Seattle from Dallas/Fort Worth?

    Seattle/Tacoma Intl (SEA) is the airport you will fly into if you book a flight from Dallas/Fort Worth to Seattle. You should not have trouble finding flights to Seattle/Tacoma Intl from Dallas/Fort Worth; the airport handles an average of 53 inbound flights from Dallas/Fort Worth per day. You should also have plenty of airline options to choose from since 8 airlines have flights to the Seattle airport from Dallas/Fort Worth. It is only a 11.4 mi journey from Seattle/Tacoma Intl (SEA) to Seattle’s city center.

  • What are the cheapest airlines flying from Dallas/Fort Worth Airport to Seattle round-trip?

    According to our current data, Hawaiian Airlines ($178), Frontier ($182), and Alaska Airlines ($199) offers the cheapest pricing from Dallas/Fort Worth Airport to Seattle. Hawaiian Airlines is 33% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Dallas/Fort Worth Airport to Seattle one-way?

    The cheapest airlines for a one-way flight from Dallas/Fort Worth Airport to Seattle are Frontier ($100), Spirit Airlines ($101), and Hawaiian Airlines ($109).

  • What are the most reliable airlines from Dallas/Fort Worth Airport to Seattle?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Dallas/Fort Worth Airport to Seattle on time: Scandinavian Airlines (93%), Delta (87%), Frontier (83%).

  • What are the cheapest flights from Dallas/Fort Worth Airport to Seattle?

    On average you can expect to pay $1,607 for a flight from Dallas/Fort Worth Airport to Seattle. The cheapest flight overall is $102 while the most popular route, (Dallas/Fort Worth - Seattle/Tacoma Intl) is currently priced at $178.

  • Where are the most common layover locations when flying from Dallas/Fort Worth Airport to Seattle?

  • What are some popular things to do or see while on a layover in Las Vegas?

    Fremont Street Experience, The Colosseum at Caesars Palace, and Stratosphere Tower are currently the most popular points of interest in Las Vegas at the moment. Fremont Street Experience, The Colosseum at Caesars Palace and Stratosphere Tower are located about 5.9 mi, 2.6 mi, and 4.3 mi, respectively from Las Vegas Harry Reid Intl if you are interested in checking them out. Travelers in need of a car in Las Vegas can rent one for about $62 per day.

  • Where are the least popular layover locations for Dallas/Fort Worth Airport to Seattle flights?

  • Can I find deals for flights from Dallas/Fort Worth to Seattle that include hotel bookings?

    Yes. In addition to deals on Dallas/Fort Worth to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dallas/Fort Worth to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dallas/Fort Worth to Seattle.

  • Can I find deals for business class flights from Dallas/Fort Worth to Seattle?

    Yes. Cheapflights offers flight deals from Dallas/Fort Worth to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Dallas/Fort Worth Airport to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Dallas/Fort Worth Airport to Seattle (average of $238). Flying from Dallas/Fort Worth Airport to Seattle in June is currently the most expensive (average of $389). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Ocean Shores
Lakewood
Lynnwood
Lacey
Leavenworth
Renton
Olympia
Puyallup
Kent
Cle Elum
Chehalis
Kirkland
Issaquah
Aberdeen
Shoreline
Federal Way
Shelton

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 8 airlines flying from Dallas/Fort Worth to Seattle

Discover the top 8 airlines that operate flights from Dallas/Fort Worth to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$72Average$201FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$76Average$173FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$121Average$279FlexibilityNo cancel feeOn-time85%
DeltaCheapest$130Average$278FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$181Average$326FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$184Average$319FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$188Average$338FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$238Average$371FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.